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Finding the Fourth Proportional to 137,605.94, 206,140.34 and 94,810.40

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Solution

The fourth proportional to 137,605.94, 206,140.34 and 94,810.40 is: 142,030.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,605.94 : 206,140.34 = 94,810.40 : x
  2. Step 2: Convert to fraction form
    137,605.94/206,140.34 = 94,810.40/x
  3. Step 3: Cross multiply
    137,605.94x = 206,140.34 × 94,810.40
  4. Step 4: Simplify right side
    137,605.94x = 19,544,248,070.89
  5. Step 5: Solve for x
    x = 19,544,248,070.89/137,605.94
  6. Step 6: Final answer
    x = 142,030.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.